This is descriptive of the stoic facial expression of the Englishman, generally speaking, especially in the past. At least I used to hear of this description more often in the past. The young people ...

本研究针对IgM副蛋白干扰贝克曼库尔特AU5800尿酸(UA)检测的临床难题，通过分析196例IgM副蛋白血症患者样本，发现脂血指数(LIP ...